Finding the Fourth Proportional to 55,166,056.36, 76,129,157.48 and 31,974,635.39
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Solution
The fourth proportional to 55,166,056.36, 76,129,157.48 and 31,974,635.39 is: 44,124,996.66
Step by Step Solution
- Step 1: Write the proportion equation
55,166,056.36 : 76,129,157.48 = 31,974,635.39 : x - Step 2: Convert to fraction form
55,166,056.36/76,129,157.48 = 31,974,635.39/x - Step 3: Cross multiply
55,166,056.36x = 76,129,157.48 × 31,974,635.39 - Step 4: Simplify right side
55,166,056.36x = 2,434,202,052,430,372 - Step 5: Solve for x
x = 2,434,202,052,430,372/55,166,056.36 - Step 6: Final answer
x = 44,124,996.66
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.